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Associate Prof. Yu yangyang published journal article on Chemical Engineering Journal with title of "Bacterial nanoencapsulation with cytocompatible atom transfer radical polymerization for improved Cr(VI) remova"

By :    Date : 2020-12-14 10:34:15    View :

Associate Prof. Yu yangyang published journal article on Chemical Engineering Journal with title of "Bacterial nanoencapsulation with cytocompatible atom transfer radical polymerization for improved Cr(VI) remova"


Abstract

Surface-initiated activator regenerated by electron transfer atom transfer radical polymerization (SI-ARGET ATRP) has great potential to modify living cell surface with controlled architecture and tailored phenotype. However, it is challenging to engineer the bacterial cells with current SI-ARGET ATRP due to low cellular tolerance to the toxic reagents in polymerization. In this study, a cytocompatible bacterial SI-ARGET ATRP (b-ATRP) strategy was developed for individual nanoencapsulation of living bacterial cell. With step by step optimization of reaction conditions, living nanohybrid with high cell viability (>70%) was achieved with b-ATRP. Furthermore, living Shewanella nanohybrids with controllable surface electric property were fabricated with b-ATRP and applied for aqueous Cr(VI) treatment. Impressively, nanoencapsulation of cells with poly(4-vinylpyridine) improved the Cr(VI) removal rate by 3 times. This work provided a new approach to engineer the living bacterial cell surface and expanded the ATRP applications to prokaryotic cell and bioremediation.

Graphical abstract




Last :Associate Prof. Le Yiling published journal article on Genetics and Molecular Biology with title of "Genome Editing of the Anaerobic Thermophile Thermoanaerobacter ethanolicus Using Thermostable Cas9"

Next :Associate Professor Zhu published Research Article on ACS Sustainable Chem. Eng. with the title of "Insight into Depolymerization Mechanism of Bacterial Laccase for Lignin"